Home / 1,416,005.40-2,120,897.70-854,059.80

Finding the Fourth Proportional to 1,416,005.40, 2,120,897.70 and 854,059.80

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Solution

The fourth proportional to 1,416,005.40, 2,120,897.70 and 854,059.80 is: 1,279,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,005.40 : 2,120,897.70 = 854,059.80 : x
  2. Step 2: Convert to fraction form
    1,416,005.40/2,120,897.70 = 854,059.80/x
  3. Step 3: Cross multiply
    1,416,005.40x = 2,120,897.70 × 854,059.80
  4. Step 4: Simplify right side
    1,416,005.40x = 1,811,373,465,482.46
  5. Step 5: Solve for x
    x = 1,811,373,465,482.46/1,416,005.40
  6. Step 6: Final answer
    x = 1,279,213.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.